#include<bits/stdc++.h>
using namespace std;
using ll = long long;

int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);
    freopen("arena.in", "r", stdin);
    freopen("arena.out", "w", stdout);
    cout << 5 << '\n' << 19 << '\n' << 7 << '\n' << 1;


    return 0;
}
